CN209264520U - A kind of concrete impermeability test device - Google Patents
A kind of concrete impermeability test device Download PDFInfo
- Publication number
- CN209264520U CN209264520U CN201822007465.6U CN201822007465U CN209264520U CN 209264520 U CN209264520 U CN 209264520U CN 201822007465 U CN201822007465 U CN 201822007465U CN 209264520 U CN209264520 U CN 209264520U
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- Prior art keywords
- die sleeve
- test block
- bottom plate
- diameter
- test device
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Abstract
The utility model discloses a kind of concrete impermeability test devices, it is related to the technical field of construction material detection, it includes Anti-leakage instrument and the test block for carrying out impermeability test, the Anti-leakage instrument includes workbench and water pipe, the worktable upper surface is fixedly connected there are six bottom plate, six bottom plate upper surfaces are fixedly connected with die sleeve, the die sleeve is ring structure, the die sleeve and bottom plate surround the inner space that a shape is boss, the test block is placed in the inner space that bottom plate and die sleeve surround, jet chimney is offered in the die sleeve, the jet chimney extends to the upper surface of die sleeve and is connected to outside, the steam pipe being connected to jet chimney is inserted on the die sleeve side wall.The utility model can diameter test block is placed in die sleeve, then die sleeve is preheated, it is time saving and energy saving and easy to disassemble to have the advantages that.
Description
Technical field
The utility model relates to the technical fields of construction material detection, fill more particularly, to a kind of concrete impermeability test
It sets.
Background technique
Currently, test specimen used in concrete impermeability test is mostly the reality of prefabricated path 175mm, major diameter 185mm, high 150mm
Heart round estrade.Experiment process is as follows: 1, test block production maintenance, and every group 6 pieces, demoulding after molding 24 hours brushes away two with wire brush
Cement slurry mould is held, mark is supported 28 days；2, test block is taken out on the day before impermeability test to dry surface；3, test block side is applied into one layer of paraffin
Sealing material；4, test block is pressed into through in the preheated cover die of baking oven, pressure relief after cooling is tried on Anti-leakage instrument
It tests；5, test hydraulic pressure is since 0.1Mpa, later every 8 hours increase hydraulic pressure 0.1Mpa, and to pay attention to observing test specimen end at any time
The infiltration situation in face；6, it when there is 3 test specimen end faces in there is infiltration phenomenon in 6 test specimens, can stop testing, record water at that time
Pressure.
Before prior art among the above has the following deficiencies: test, one layer of paraffin need to be applied in test block as sealing
Then material is pressed into test block through in the preheated die sleeve of baking oven with press machine, paraffin be heated process can the place's of decomposition benzene etc. have
Evil gas, damages human body, and the overall weight in die sleeve that in addition concrete sample indentation needs to preheat through baking oven is close
15 kilograms, manual handling large labor intensity, working efficiency is low.After test, the cleaning of die sleeve is also time-consuming and laborious.
Utility model content
The purpose of the utility model is to provide a kind of concrete impermeability test device, can diameter test block is placed on die sleeve
In, then die sleeve is preheated, it is time saving and energy saving and easy to disassemble to have the advantages that.
The above-mentioned purpose of utility model of the utility model has the technical scheme that
A kind of concrete impermeability test device, the test block including Anti-leakage instrument and for carrying out impermeability test, the Anti-leakage instrument
Including workbench and water pipe, the worktable upper surface is fixedly connected there are six bottom plate, and six bottom plate upper surfaces are fixed to be connected
It is connected to die sleeve, the die sleeve is ring structure, and the die sleeve and bottom plate surround the inner space that a shape is boss, the examination
Block is placed in the inner space that bottom plate and die sleeve surround, and jet chimney is offered in the die sleeve, and the jet chimney prolongs
The upper surface of die sleeve is reached, the jet chimney is interior inserted with steam pipe.
By using above-mentioned technical proposal, traditional die sleeve is divided into two parts of bottom plate and die sleeve and is formed, its change is made
At the structure that can dismantle assembling, stablize whole structure more firm, and offering jet chimney in die sleeve can be right
Die sleeve is preheated, and baking oven has been saved.
The utility model is further arranged to: a circular water pipe hole, the work are offered at the center of the bottom plate
Platform with water pipe hole coaxial line at be provided with a circular pipeline, the pipe diameter is greater than the diameter in water pipe hole, the water pipe
It is inserted into water inlet pore from pipeline and sprays water to test block vertically.
By using above-mentioned technical proposal, water pipe hole is opened up at the center of bottom plate, the water pipe insertion in Anti-leakage instrument is come in
It is sprayed water to test block to test.
The utility model is further arranged to: the bottom plate upper surface and setting at the coaxial line of water pipe hole are fluted, described
The diameter of groove is greater than the major diameter of test block.
By using above-mentioned technical proposal, in bottom plate upper surface, setting is fluted can be fixed on test block one range
It is interior, the rental of a positioning is played to test block.
The utility model is further arranged to: the bottom inside of the die sleeve is provided with protrusion, the protrusion and test block pair
Answer the diameter of position identical.
By using above-mentioned technical proposal, protrusion can play the role of the clamping fixed to test block, at the same also determine die sleeve with
The positional relationship of test block further positions test block.
The utility model is further arranged to: the die sleeve lower end surface is provided with stepped groove, and the ladder groove shape is circle
The outer annular diameter size of annular, the stepped groove and groove coaxial line and stepped groove is identical as the diameter of groove.
By using above-mentioned technical proposal, the outer annular diameter size and groove of stepped groove and groove coaxial line and stepped groove
Diameter is identical, can preferably position during installation, while can also play better seal effect.
The utility model is further arranged to: close under being placed in the gap between the groove, stepped groove and test block
Packing, the lower seal pad are an annular shape, and the inner diameter size of the lower seal pad is less than test block major diameter size.
By using above-mentioned technical proposal, lower seal pad, which is placed between three, can play good sealing function, keep away
Exempting from the case where water is flowed out from side wall can spill out from the gap of die sleeve and bottom plate, at the same lower seal pad inner diameter size is small and test block
Major diameter, so that lower seal pad is tightly attached in test block.
The utility model is further arranged to: being placed in part and the gap between side wall and test block on the die sleeve
Gasket, the upper gasket and lower seal pad are rubber material.
By using above-mentioned technical proposal, gasket just uses the material of rubber, rather than paraffin, is because paraffin is in heated meeting
The some pernicious gases in place are distributed, and rubber is more environmentally friendly and sealing effect is good.
The utility model is further arranged to: die sleeve upper end symmetric position assigns the positioning there are two positioning pin
The bottom end of pin is against in lower seal pad.
By using above-mentioned technical proposal, upper gasket is fixed together with die sleeve using positioning pin, simultaneously because solid
The extruding of rationed marketing is tightly attached to gasket in test block.
In conclusion the advantageous effects of the utility model are as follows:
1. working as sealing material using rubber material, paraffin is substituted, pollution can be reduced；
2. traditional die sleeve is resolved into two part die sleeves and bottom plate forms, structure is simple and can carry out disassembly replacement, together
When test block is directly placed on bottom plate, saved the effect of press machine, simplified process, the dismantlement work letter after test is completed in test block
It is single；
3. conveying steam by opening up steam channel in die sleeve inward to preheat to die sleeve, having saved baking oven, simplify
Process avoids the work for carrying die sleeve, time saving and energy saving.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model concrete impermeability test device.
Fig. 2 is the partial schematic sectional view of the part A-A in Fig. 1.
Fig. 3 is Fig. 2 overall structure top view.
Fig. 4 is the main view partial sectional view of the utility model concrete impermeability test device.
In figure, 1, Anti-leakage instrument；11, workbench；111, pipeline；12, water pipe；2, bottom plate；21, water pipe hole；22, fixed spiral shell
Bolt；23, groove；3, die sleeve；31, jet chimney；32, raised；33, stepped groove；34, clamping screw；4, lower seal pad；5, upper close
Packing；6, fixed pin；7, test block；8, steam pipe.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Referring to figs. 1 and 2, be a kind of concrete impermeability test device disclosed by the utility model, including for pair
The Anti-leakage instrument 1 that test block 7 is tested, the generally rectangular cabinet of Anti-leakage instrument 1, is provided with work in the upper surface of Anti-leakage instrument 1
Platform 11,11 shape of workbench are rectangle, are uniformly distributed in 11 upper surface of workbench there are six bottom plate 2, and bottom plate 2 is a circular slab,
The water pipe hole 21 for water spray is offered at the center of bottom plate 2, assigns six fixed spiral shells along its circumferential direction in the upper surface of bottom plate 2
Bottom plate 2 and workbench 11 are fixed together by bolt 22, and six fixing bolts 22 are uniformly distributed on a base plate 2, in the upper end of bottom plate 2
Face is provided with circular groove 23, and the diameter of groove 23 is greater than the maximum gauge of test block 7.
In conjunction with shown in Fig. 2 and Fig. 3, die sleeve is fixedly connected with by four clamping screws 34 being evenly arranged on a base plate 2
3, the generally hollow round table structure of die sleeve 3, upper and lower ends are open and the baffle of annular, die sleeve are arranged on upper end opening inner wall
3 surround the inner space of truncated cone-shaped with bottom plate 2, are equipped with the steam channel 31 of logical steam, steam in 3 upper end of die sleeve and interior
The upper end in channel 31 is directly connected to the upper surface exterior space of die sleeve 3, is equipped with directly in the side surface of die sleeve 3 by positon of near bottom
Patch the steam pipe 8 in steam channel 31, steam pipe 8 is used to lead to steam toward die sleeve 3 to preheat to die sleeve 3, steam by
Lower section leads to come in from 31 opening of steam channel of top from steam pipe 8 flows out, and makes the gas between die sleeve 3 and test block 7 in gap
Pressure increases and causes to squeeze to test block 7, can prevent the side outflow of test Shi Shuixiang test block 7.
A circle protrusion 32 is inwardly provided in the inner lower edge of die sleeve 3, at the diameter of protrusion 32 and the relative position of test block 7
Diameter it is identical, can play the role of to 7 clamping of test block, be equipped with a circle stepped groove 33, stepped groove 33 in 3 bottom surface inner ring of die sleeve
For circular ring shape and its outer annular diameter size it is identical as the diameter of groove 23, stepped groove 33 and test block 7 and groove 23 it
Between be placed with lower seal pad 4, lower seal pad 4 is the rubber pad of circular ring shape, and it is maximum straight that the diameter of lower seal pad 4 is greater than test block 7
Diameter prevents water outflow water from the gap understood between die sleeve 3 and bottom plate 2 after the outflow of the side of test block 7.3 top of die sleeve gear
Gap location between plate and side wall and test block 7 is lined with gasket 5 on a circle, the material of upper gasket 5 and the material of lower seal pad 4
It is identical, it assigns in the upper surface symmetric position of die sleeve 3 there are two fixed pin 6, fixed pin 6 is plugged on the opening of steam channel 31
And the diameter of fixed pin 6 is greater than the opening width of steam channel 31, die sleeve 3 and upper gasket 5 are fixed on one by two fixed pins 6
It rises, while gasket 5 being made to be adjacent to test block 7.
Referring to Fig. 4, on workbench 11 with pipeline 111 is offered at 21 coaxial position of water hole pipe, 111 section of pipeline is
Diameter that is round and having a diameter larger than water hole pipe 21, vertically-mounted in Anti-leakage instrument 1 to have water pipe 12, water pipe 12 is stretched from pipeline 111
Enter into water pipe hole 21, sprays water to test block 7 and carry out impermeability test.
The implementation principle of the present embodiment are as follows: before being tested, lower seal pad 4 is first tightly attached to the Basolateral of test block 7
On wall, then test block 7 entirely is close to be placed into groove 23 with lower seal pad 4, the gasket 5 in the upper placement of test block 7, then
Entire die sleeve 3 is set in test block 7, by assigning fixed pin 6 that upper gasket 5 is fixed while close under 33 clamping of stepped groove
Packing 4 finally screws on clamping screw 34 and die sleeve 3 and bottom plate 2 is fixed together, then from the steam pipe 8 on the side wall of die sleeve 3
Logical steam preheats die sleeve 3, completes the preliminary preparation of test.
Start Anti-leakage instrument to be tested, gauge hand is adjusted to 0.1Mpa, 7 bottom of test block is sprayed by water pipe 12
The infiltration situation of jetting, observation 7 upper surface of test block has every eight hours increase hydraulic pressure 0.1Mpa after work when in six test specimens
When the upper surface of three test specimens has infiltration to occur, that is, stops test, record hydraulic pressure at that time.Anti-penetration grade is with six test specimens of each group
In, four test specimens do not seep water, and hydraulic pressure at this time is concrete antiosmotic pressure force value.
The embodiment of present embodiment is the preferred embodiment of the utility model, and not limitation is originally practical new according to this
The protection scope of type, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by practical
Within novel protection scope.
Claims (8)
1. a kind of concrete impermeability test device, the test block (7) including Anti-leakage instrument (1) and for carrying out impermeability test is described anti-
Seeping instrument (1) includes workbench (11) and water pipe (12), it is characterised in that: there are six workbench (11) upper surface is fixedly connected
Bottom plate (2), six bottom plate (2) upper surfaces are fixedly connected with die sleeve (3), and the die sleeve (3) is ring structure, the die sleeve
(3) inner space that a shape is boss is surrounded with bottom plate (2), the test block (7) is placed on bottom plate (2) and die sleeve (3) encloses
At inner space in, offered jet chimney (31) in the die sleeve (3) side wall, the jet chimney (31) extends to mould
It covers the upper surface of (3) and is connected to outside, be inserted with the steam pipe being connected to jet chimney (31) on die sleeve (3) side wall
(8).
2. a kind of concrete impermeability test device according to claim 1, it is characterised in that: the center of the bottom plate (2)
Place offers a circular water pipe hole (21), the workbench (11) with water pipe hole (21) coaxial line to be provided with one circular
Pipeline (111), pipeline (111) diameter are greater than the diameter of water pipe hole (21), and the water pipe (12) is inserted from pipeline (111) vertically
Enter into being sprayed water in water pore (21) to test block (7).
3. a kind of concrete impermeability test device according to claim 2, it is characterised in that: bottom plate (2) upper surface
Fluted (23) are set at water pipe hole (21) coaxial line, the diameter of the groove (23) is greater than the major diameter of test block (7).
4. a kind of concrete impermeability test device according to claim 1, it is characterised in that: the bottom of the die sleeve (3)
Inside is provided with raised (32), and the protrusion (32) is identical as the diameter of test block (7) corresponding position.
5. a kind of concrete impermeability test device according to claim 1, it is characterised in that: die sleeve (3) lower end surface
Be provided with stepped groove (33), stepped groove (33) shape is circular ring shape, the stepped groove (33) and groove (23) coaxial line and
The outer annular diameter size of stepped groove (33) is identical as the diameter of groove (23).
6. a kind of concrete impermeability test device according to claim 5, it is characterised in that: in the groove (23), rank
It is placed with lower seal pad (4) in gap between terraced slot (33) and test block (7), the lower seal pad (4) is circular ring shape, under described
The internal diameter of gasket (4) is less than test block (7) maximum gauge size.
7. a kind of concrete impermeability test device according to claim 6, it is characterised in that: part on the die sleeve (3)
It is placed in gap between side wall and test block (7) gasket (5), the upper gasket (5) is with lower seal pad (4)
Rubber material.
8. a kind of concrete impermeability test device according to claim 7, it is characterised in that: die sleeve (3) upper end pair
Claiming position to assign, there are two positioning pin (6), and the bottom end of the positioning pin (6) is against on lower seal pad (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822007465.6U CN209264520U (en) | 2018-12-01 | 2018-12-01 | A kind of concrete impermeability test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822007465.6U CN209264520U (en) | 2018-12-01 | 2018-12-01 | A kind of concrete impermeability test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209264520U true CN209264520U (en) | 2019-08-16 |
Family
ID=67565422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822007465.6U Expired - Fee Related CN209264520U (en) | 2018-12-01 | 2018-12-01 | A kind of concrete impermeability test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209264520U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111999230A (en) * | 2020-08-24 | 2020-11-27 | 河海大学 | Test device and method for rapidly evaluating chloride ion permeability resistance of near-surface of concrete |
| CN115538308A (en) * | 2022-07-05 | 2022-12-30 | 港珠澳大桥管理局 | Device capable of replacing concrete surface defect test block |
-
2018
- 2018-12-01 CN CN201822007465.6U patent/CN209264520U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111999230A (en) * | 2020-08-24 | 2020-11-27 | 河海大学 | Test device and method for rapidly evaluating chloride ion permeability resistance of near-surface of concrete |
| CN115538308A (en) * | 2022-07-05 | 2022-12-30 | 港珠澳大桥管理局 | Device capable of replacing concrete surface defect test block |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190816 Termination date: 20211201 |